LivingSocial Deals, Groupon Make Coupons A Social Experience

INSIDE FACEBOOK — Groupon and LivingSocial are trying to make it easier for people to save money by making it easy to share and earn coupons with friends. Although they are not the only companies specializing in coupons or money-saving deals on Facebook or the iTunes app store, both have raised funding in the last couple of months, both are busy expanding to new cities -- and both making good use of social features. Their web sites use Facebook Connect to help people find deals that may interest them by geography, then share these deals on Facebook or other social media...